TruClient Web on Firefox and NV

When running a test with TruClient Web on Firefox and NV, or replaying a TruClient Web script on Firefox in VuGen when the option to generate NV Analytics report is enabled, the following error appears:

 following error appears:
  TypeError: targetFactory is undefinedundefinedWhile calling handlers in TC.NS:RuleEngine dispatch, event=[TC_NS.Event type=”TC.startTrackingTabEvents” target=”[object Object]”], handler=
  Function (e) {“use strict”;
               If (!tabListenerInst) {
                              initModule();
                              tabListenerInst = new TabListener();
               }
               tabListenerInst.track();
   } Snapshot Info [MSH undefined 0] [MsgId: MERR-208177]